CN112687105B - Vehicle whistling detection system and method - Google Patents
Vehicle whistling detection system and method Download PDFInfo
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Abstract
The invention discloses a vehicle whistle detection system and method, which are used for improving the accuracy of detecting vehicle whistle. The system comprises acoustic equipment, camera equipment, drive test equipment and processing equipment; wherein: the acoustic equipment is used for acquiring sound in a detection range and detecting the vehicle, and determining whistle sound information, distance information of the vehicle emitting whistle sound and corresponding timestamp information; the camera equipment is used for receiving the distance information and the corresponding timestamp information, determining camera shooting data acquired by the camera equipment corresponding to the timestamp information, analyzing the camera shooting data according to the distance information and determining the structural information of the whistle vehicle; the drive test equipment is used for acquiring vehicle running state information broadcasted by a vehicle-mounted unit of a vehicle after the vehicle whistles; the processing equipment is used for determining whether the whistle vehicle has the whistle phenomenon or not based on whether the structural information of the whistle vehicle is matched with the license plate information and the time period information in the vehicle running state information.
Description
Technical Field
The invention relates to the technical field of traffic monitoring, in particular to a vehicle whistling detection system and method.
Background
At present, with continuous promotion of urban modern construction and continuous improvement of the living standard of people, the automobile keeping quantity also rises year by year, so that traffic jam often occurs on urban roads, automobile drivers are caused to whistle in residential areas or core areas, the residential environment of residents is noisy, and the rest of the residents is influenced.
And, the interval is less among the prior art, therefore leads to the detection accuracy that whistles to the vehicle lower, to this problem, through the mode that increases the deceleration strip in the supervision highway section among the prior art, pulls open the interval between car and the car to reduce the vehicle and overlap, and then improve and detect the precision. However, in this way, not only the speed bump needs to be arranged, but also the vehicle in front of the speed bump may be crowded, so that the whistle is more easily caused.
It is thus clear that there is the lower technical problem of detection vehicle accuracy of whistling among the prior art.
Disclosure of Invention
The embodiment of the invention provides a vehicle whistle detection system and method, which are used for solving the technical problem of low accuracy in vehicle whistle detection in the prior art.
In a first aspect, there is provided a vehicle blast detection system, the system comprising: acoustic equipment, camera equipment, drive test equipment and processing equipment; wherein:
the acoustic equipment is used for acquiring sound in a detection range and detecting a vehicle, and determining whistle sound information, distance information of the vehicle emitting the whistle sound and corresponding timestamp information;
the camera equipment is used for receiving the distance information and the corresponding timestamp information, determining the timestamp information corresponding to the camera shooting data acquired by the camera equipment, analyzing and processing the camera shooting data according to the distance information, and determining the structural information of the whistle vehicle; the structured information at least comprises license plate information and time period information for collecting the camera shooting data;
the road test equipment is used for collecting vehicle running state information broadcasted by a vehicle-mounted unit of a vehicle after the vehicle whistles, and the vehicle running information at least comprises license plate information and whistling time period information;
the processing equipment is used for receiving the structural information of the whistle vehicle and the vehicle running state information, and determining whether the whistle vehicle has a whistle phenomenon or not based on whether the structural information of the whistle vehicle is matched with the license plate information and the time period information in the vehicle running state information or not.
In a possible embodiment, the acoustic device and the camera device are provided at the same location; or the difference between the set height and the distance between the acoustic device and the camera device is within a preset range.
In a possible embodiment, the camera device is specifically configured to:
receiving whistle sound information and the timestamp information sent by the acoustic equipment, and synchronously superposing and caching the timestamp information and the camera data; the camera shooting data is data collected after the camera equipment receives the whistle sound information.
In one possible implementation, the imaging apparatus is specifically configured to:
determining a mapping relation between distance information corresponding to the acoustic equipment and distance information corresponding to the camera equipment;
and analyzing and processing the camera data based on the mapping relation, and determining the structural information of the whistle vehicle.
In one possible implementation, the processing device is further configured to:
receiving generation indication information;
and according to the generation indication information, packaging the structural information corresponding to the whistle vehicle and the vehicle running state information to obtain a whistle forensic data packet so as to process the whistle vehicle.
In a possible embodiment, the system further comprises a management module configured to:
sequencing and storing the whistling evidence-obtaining data packets according to a preset mode; or,
and sending the whistle forensic data packet to corresponding external equipment so as to process the whistle vehicle.
In one possible embodiment, the camera device is a smart high definition camera.
In a possible embodiment, the acoustic device comprises at least an acoustic probe.
According to a second aspect of the embodiments of the present invention, there is provided a vehicle whistle detection method applied to the vehicle whistle detection system according to the first aspect, the method including:
determining structural information of a whistling vehicle, wherein the structural information at least comprises license plate information and time period information for collecting camera data;
determining vehicle running state information broadcasted by a vehicle-mounted unit of a vehicle after the vehicle whistles, wherein the vehicle running information at least comprises license plate information and whistling time period information;
and matching the structural information of the whistle vehicle with the license plate information and the time period information of the vehicle in the vehicle running state information, and if the matching is successful, determining that the whistle phenomenon exists in the whistle vehicle.
In one possible embodiment, determining the structured information of the blast vehicle comprises:
determining structural information of the whistle vehicle based on the mapping relation;
the mapping relation is a relation between distance information between the acoustic equipment and the whistle vehicle and distance information between the camera equipment and the whistle vehicle.
The technical scheme provided by the embodiment of the invention at least has the following beneficial effects:
in the embodiment of the invention, the license plate information and the corresponding time information of the whistle vehicle can be determined primarily through the whistle sound acquired by the acoustic equipment in the vehicle whistle detection system and the video data acquired by the camera equipment, and then whether the primarily determined whistle vehicle whistle is whistle or not is comprehensively judged by combining the license plate information and the whistle time period information in the vehicle running state information acquired by the road test equipment, so that the accurate detection of the whistle vehicle is realized. In other words, in the embodiment of the invention, the information of the whistle vehicles is acquired through various ways, and the various information is compared, so that the detection accuracy of the whistle vehicles is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention and are not to be construed as limiting the invention.
FIG. 1 is a schematic diagram of an application scenario in an embodiment of the invention;
FIG. 2 is a schematic view of a vehicle whistle detection system in accordance with an embodiment of the present invention;
FIG. 3 is another schematic view of a vehicle whistle detection system in accordance with an embodiment of the present invention;
fig. 4 is a schematic flow chart of a vehicle whistle detection method in the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The embodiments and features of the embodiments of the present invention may be arbitrarily combined with each other without conflict. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
The terms "first" and "second" in the description and claims of the invention and the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the term "comprises" and any variations thereof, which are intended to cover non-exclusive protection. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
As described above, the prior art has the technical problem of low accuracy in detecting the vehicle whistle.
In view of this, embodiments of the present invention provide a vehicle whistle detection system and method, which can determine relevant information of a whistle vehicle through sound source detection and video matching snapshot analysis based on the system, and can directly locate whether a specific vehicle has a whistle behavior or not according to broadcast information of the vehicle, thereby improving the accuracy of detecting the whistle of the vehicle.
After the design concept of the embodiment of the present invention is introduced, some simple descriptions are made below on application scenarios to which the technical solution in the embodiment of the present invention is applicable, and it should be noted that the application scenarios described in the embodiment of the present invention are for more clearly describing the technical solution in the embodiment of the present invention, and do not form a limitation on the technical solution provided in the embodiment of the present invention.
In the embodiment of the present invention, the technical solution may be applied to any scene where illegal whistle detection needs to be performed, for example, the whistle detection road segment 1, the whistle detection area a, and the like, and the embodiment of the present invention is not limited.
In the embodiment of the present invention, please refer to an application scenario schematic diagram shown in fig. 1, when a vehicle is running on a road, a detection system may detect whether there is a whistling behavior of the vehicle, so as to manage vehicles that violate whistling.
Referring to fig. 2, fig. 2 is a block diagram of a vehicle whistle detection system provided in the embodiment of the present invention. Specifically, the vehicle whistle detection system includes a learning device, a camera device, a drive test device, and a processing device. It should be noted that, in the embodiment of the present invention, for the convenience of description, the vehicle whistle detection system is simply referred to as a detection system.
In an embodiment of the invention, the acoustic device is used for acquiring sounds in the detection range and detecting vehicles, and determining whistle sound information, distance information of the vehicles emitting whistle sounds and corresponding timestamp information. Specifically, the acoustic device may be an acoustic detector, and may also be any other device that can detect that a vehicle makes a whistle sound, which is not limited in the embodiment of the present invention. In particular, the acoustic detector is an integrated sonar probe.
In the specific implementation process, the sonar and phased array radar technology can be utilized to detect the vehicle whistling action and perform positioning processing. Specifically, all sound signals can be gathered to the sonar, then can generate the sound cloud picture of monitoring area based on sound signals, thereby can show the relative size of each point sound on the road surface, can be greater than the settlement threshold with sound, and the sound that the sound wave that corresponds belongs to the scope of predetermineeing is determined for the sound information of whistling, and can be based on the radar technology and confirm to fixing a position the vehicle that sends out the sound of whistling, thereby can confirm the distance between car and the sonar of whistling.
In the embodiment of the present invention, the camera device may receive the distance information and the corresponding timestamp information sent by the acoustic device, and then may determine the image capture data corresponding to the timestamp information from the image capture data cached by the camera device.
For example, the image data includes data of the a link acquired from 11/month/3/8: 00:00 in 2020 to 11/month/3/13: 00:00 in 2020, and the time information converted in correspondence with the time stamp information is 11/month/3/11: 15:00 in 2020, the image data from 11/month/3/11: 15:00 to 13:00:00 in 2020 can be acquired.
In a specific implementation process, when determining the image capture data corresponding to the timestamp information, the image capture data in a predetermined time period before and after the time corresponding to the timestamp information may be selected, where the predetermined time period may be 2 minutes, or 5 minutes, or of course, may also be 1 minute, and the setting of the predetermined time period may be determined correspondingly according to an actual implementation situation, which is not limited in the embodiment of the present invention.
In the embodiment of the invention, the camera equipment can receive the whistle sound information and the timestamp information sent by the acoustic equipment, and then synchronously superpose and cache the timestamp information and the camera data, wherein the camera data is data acquired after the whistle sound information is received by the camera equipment.
In the embodiment of the invention, after the camera equipment determines the camera data to be processed, the camera data can be analyzed and processed according to the distance information, and the structural information of the whistle vehicle is determined; the structured information at least comprises license plate information and time period information of collected camera data. Specifically, a mapping relationship between distance information corresponding to the acoustic device and distance information corresponding to the camera device may be determined, and then the image pickup data may be analyzed and processed based on the mapping relationship to determine the structural information of the whistle vehicle. Specifically, the license plate information determined based on the camera data can include license plate number information and license plate color information, so that whether the vehicle is an electric vehicle or a fuel vehicle can be determined through the license plate color information, and the vehicle whistling can be determined more accurately.
In the embodiment of the present invention, the camera apparatus may be disposed at the same location as the acoustic apparatus, that is, the camera apparatus and the acoustic apparatus may acquire whistle information and camera data at the same location. Of course, the acoustic device and the camera device may also be set such that the difference between the set height and the distance between the two is within a preset range, for example, the distance between the acoustic device and the camera device relative to a reference object is the same, and the difference between the set heights is 1 cm.
In such a manner, the license plate information, the vehicle body information, the matting information of the driver, and the like of the whistle vehicle can be determined based on the mapping relationship between the distance information corresponding to the acoustic device and the distance information corresponding to the camera device.
In the embodiment of the invention, the vehicle running state information broadcasted by the vehicle-mounted unit of the vehicle after the vehicle whistles can be collected through the drive test equipment, wherein the vehicle running information at least comprises license plate information and whistling time period information. Specifically, the license plate information in the vehicle driving information may include license plate information and performance information, where the performance information is information indicating whether the vehicle is a fuel automobile or an electric automobile.
In the embodiment of the invention, the processing device may be configured to receive the structural information and the vehicle running state information of the whistle vehicle, and then determine whether the whistle vehicle has a whistle phenomenon based on whether license plate information and time period information in the structural information and the vehicle running state information of the whistle vehicle are matched.
It should be noted that, in the embodiment of the present invention, information transfer between the devices in the detection system may be connected through one or more networks. The network may be a wired network or a WIreless network, for example, the WIreless network may be a mobile cellular network, or may be a WIreless-Fidelity (WIFI) network, or may also be other possible networks, which is not limited in this embodiment of the present invention.
As can be seen, in the embodiment of the present invention, the processing device may detect whether there is a whistling phenomenon in the vehicle based on the structured information of the vehicle, which is determined by the acoustic device and the camera device together, and the vehicle running state information broadcasted by the on-board unit installed in the vehicle. In such a mode, whether the vehicle is whistling or not is judged in a combined mode according to the information determined in the three modes of whistling sound data, video data and broadcasting information of the vehicle-mounted unit, and whether the vehicle is whistling or not can be detected more accurately.
For better illustration of the detection system provided by the embodiment of the present invention, the following description is made in detail with reference to fig. 3.
As shown in fig. 3, an acoustic device and an image pickup device may be provided at a monitored link, and the acoustic device and the image pickup device may be provided at the same position. Specifically, the image pickup device may record the detected road section all the time.
In specific implementation process, when the vehicle whistles in the driving process, the acoustic device can detect the whistling sound information of the vehicle, and can determine the distance information between the vehicle and the acoustic device when whistling, and can determine the corresponding timestamp information when the vehicle sends the whistling sound, then the acoustic device can send the distance information and the timestamp information to the camera device, so that the camera device can determine the structural information of the whistling vehicle through the camera shooting data collected by the camera device, for example, the license plate information, the body color, the body shape, the matting information of the persons in the vehicle, and the like. Further, the camera device may transmit the determined structured information of the whistle vehicle, i.e., the license plate information and the time period information, to the processing device.
In a specific implementation process, when the vehicle whistles during driving, an on-board unit in the vehicle may send vehicle driving state information to the drive test equipment, specifically, the vehicle driving state information includes license plate information and time period information, and then the drive test equipment may send the vehicle driving state information to the processing equipment.
Specifically, after the processing device receives the information sent by the camera device and the drive test device, the processing device may match the time period information in the structured information and the vehicle driving state information, match the license plate information if it is determined that the time period information matches, and determine that the whistling phenomenon exists in the whistling vehicle if the license plate information also matches. In a specific implementation process, the license plate information and the time period information may be matched at the same time, or the license plate information may be matched first and then the time period information may be matched, or of course, the time period information may be matched first and then the license plate information may be matched, which is not limited in the embodiment of the present invention.
It should be noted that the processing device in the embodiment of the present invention may be a computer device, and the computer device may be a server, such as a personal computer, a large and medium-sized computer, a computer cluster, and the like.
In the embodiment of the present invention, the processing device may further receive the generation instruction information, and then may perform encapsulation processing on the structural information and the vehicle driving state information corresponding to the whistle vehicle according to the received generation instruction information to obtain a whistle forensic data packet, so as to process the whistle vehicle.
In the embodiment of the invention, the detection system further comprises a management module, and the management module can sort and store the whistle forensic data packets according to a preset mode. By the mode, evidence collection during illegal handling of the whistle vehicles can be facilitated in the future, and use experience is improved.
In the embodiment of the invention, the management module can also send the whistle forensic data packet to the corresponding external equipment so as to process the whistle vehicle. In a specific implementation process, the external device can determine whether the whistle vehicle violates rules according to preset rules, and if yes, the external device can issue a screen to the whistle vehicle or generate a punishment sheet.
To further explain the scheme of the vehicle whistle detection method provided by the embodiment of the invention, the following detailed description is made in conjunction with the accompanying drawings and the specific implementation mode. Although embodiments of the present invention provide method steps as shown in the following embodiments or figures, more or fewer steps may be included in the method based on conventional or non-inventive efforts. In steps where no necessary causal relationship exists logically, the order of execution of the steps is not limited to that provided by embodiments of the present invention. The method can be executed in sequence or in parallel according to the method shown in the embodiment or the figures when the method is executed in an actual processing procedure or a device (for example, a parallel processor or an application environment of multi-thread processing). The following describes a vehicle whistle detection method according to an embodiment of the present invention with reference to a method flowchart shown in fig. 4.
Step 401: determining structural information of a whistling vehicle, wherein the structural information at least comprises license plate information and time period information;
in the embodiment of the invention, the whistle sound can be collected through the acoustic equipment, then the whistle sound information, the distance information of the vehicle emitting the whistle sound and the corresponding timestamp information are analyzed and determined through a preset whistle algorithm, and then the distance information and the corresponding timestamp information are sent to the camera equipment, so that the camera equipment can preliminarily determine the structural information of the whistle vehicle. Specifically, the camera device may determine the structured information of the whistle vehicle based on a mapping relationship between the distance information between the acoustic device and the whistle vehicle and the distance information between the camera device and the whistle vehicle.
Step 402: determining vehicle running state information broadcasted by a vehicle-mounted unit of a vehicle after the vehicle whistles, wherein the vehicle running information at least comprises license plate information and whistling time period information;
step 403: and matching the structural information of the whistle vehicle with the license plate information and the time period information of the vehicle in the vehicle running state information, and if the matching is successful, determining that the whistle phenomenon exists in the whistle vehicle.
Furthermore, the road test equipment can receive vehicle running state information broadcasted by an on-board unit of the whistle vehicle and send the vehicle running state information to the processing equipment, so that the processing equipment can determine whether the whistle vehicle has a whistle phenomenon or not based on the vehicle running state information and the structural information, and accurate detection of the whistle vehicle is realized.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A vehicle whistle detection system characterized in that the system comprises: acoustic equipment, camera equipment, drive test equipment and processing equipment; wherein:
the acoustic equipment is used for acquiring sound in a detection range and detecting a vehicle, and determining whistle sound information, distance information of the vehicle emitting the whistle sound and corresponding timestamp information;
the camera equipment is used for receiving the distance information and the corresponding timestamp information, determining the timestamp information corresponding to the camera shooting data acquired by the camera equipment, analyzing and processing the camera shooting data according to the distance information, and determining the structural information of the whistle vehicle; the structured information at least comprises license plate information and time period information for collecting the camera shooting data;
the road test equipment is used for collecting vehicle running state information broadcasted by a vehicle-mounted unit of a vehicle after the vehicle whistles, and the vehicle running state information at least comprises license plate information and whistling time period information;
the processing device is used for receiving the structural information of the whistle vehicle and the vehicle running state information, and determining whether the whistle vehicle has a whistle phenomenon or not based on whether the license plate information and the time period information in the structured information of the whistle vehicle and the vehicle running state information are matched or not;
the camera device is specifically configured to:
determining a mapping relation between distance information corresponding to the acoustic equipment and distance information corresponding to the camera equipment; analyzing and processing the camera data based on the mapping relation, and determining the structural information of the whistle vehicle;
the acoustic device and the camera device are disposed at the same location; or the difference between the set height and the distance between the acoustic device and the camera device is within a preset range.
2. The system of claim 1, wherein the camera device is specifically configured to:
receiving whistle sound information and the timestamp information sent by the acoustic equipment, and synchronously superposing and caching the timestamp information and the camera data; the camera shooting data is data collected after the camera equipment receives the whistle sound information.
3. The system of claim 1, wherein the processing device is further to:
receiving generation indication information;
and according to the generation indication information, packaging the structural information corresponding to the whistle vehicle and the vehicle running state information to obtain a whistle forensic data packet so as to process the whistle vehicle.
4. The system of claim 3, further comprising a management module to:
sequencing and storing the whistling evidence-obtaining data packets according to a preset mode; or,
and sending the whistle forensic data packet to corresponding external equipment so as to process the whistle vehicle.
5. The system of claim 1, wherein the camera device is a smart high definition camera.
6. The system of claim 1, wherein the acoustic device comprises at least an acoustic probe.
7. A vehicle blast detection method applied to the vehicle blast detection system according to any one of claims 1 to 6, the method comprising:
determining structural information of a whistling vehicle, wherein the structural information at least comprises license plate information and time period information for collecting camera data;
determining vehicle running state information broadcasted by a vehicle-mounted unit of a vehicle after the vehicle whistles, wherein the vehicle running information at least comprises license plate information and whistling time period information;
and matching the structural information of the whistle vehicle with the license plate information and the time period information of the vehicle in the vehicle running state information, and if the matching is successful, determining that the whistle phenomenon exists in the whistle vehicle.
8. The method of claim 7, wherein determining the structured information for the sired vehicle comprises:
determining structural information of the whistle vehicle based on the mapping relation;
the mapping relation is a relation between distance information between the acoustic equipment and the whistle vehicle and distance information between the camera equipment and the whistle vehicle.
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